/**
 * Copyright 2011 Renato de Jesus Manzoni
 * 
 * SED - Software Engineering and Dependability Research Group
 * 
 *     http://www.sed.ic.unicamp.br/
 * 
 * Distributed Systems Laboratory (LSD) in the Institute of Computing (IC) at University of Campinas (UNICAMP)
 * 
 *     http://www.lsd.ic.unicamp.br/
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package br.unicamp.ic.lsd.wscaa.factories;

import br.unicamp.ic.lsd.wscaa.exception.WSDynamicException;
import javassist.CannotCompileException;
import javassist.ClassPool;
import javassist.CtClass;
import javassist.CtConstructor;
import javassist.NotFoundException;

/**
 * @author Renato de Jesus Manzoni <rjmanzoni@gmail.com>
 * 
 */
public abstract class WSExceptionFactory {
    private static ClassPool pool = ClassPool.getDefault();
    private static final CtClass[] NO_ARGS = {};

    private WSExceptionFactory() {

    }

    public static WSDynamicException createException(String ex) {
	try {

	    pool.importPackage("br.unicamp.ic.lsd.wscaa.exception");

	    CtClass evalClass = pool
		    .makeClass(
			    ex,
			    pool.get("br.unicamp.ic.lsd.wscaa.exception.WSDynamicException"));

	    CtConstructor cons = new CtConstructor(NO_ARGS, evalClass);

	    cons.setBody("super();");

	    evalClass.addConstructor(cons);

	    WSDynamicException wsException = (WSDynamicException) pool.get(ex)
		    .toClass().newInstance();

	    return wsException;

	} catch (RuntimeException e1) {
	    e1.printStackTrace();
	} catch (NotFoundException e1) {
	    e1.printStackTrace();
	} catch (CannotCompileException e1) {
	    e1.printStackTrace();
	} catch (InstantiationException e1) {
	    e1.printStackTrace();
	} catch (IllegalAccessException e1) {
	    e1.printStackTrace();
	}

	return null;
    }

}
